HTTP 101 Switching Protocols: Meaning & How to Fix

Quick answer

HTTP status code 101 (Switching Protocols) means: The server agrees to switch to the protocol the client asked for (for example, WebSocket). No. This is a normal response, not an error.

Is it an error?

1xx Informational

No. This is a normal response, not an error.

The request was received and is still being processed.

Frequently asked questions

What does HTTP 101 mean?

HTTP status code 101 (Switching Protocols) means: The server agrees to switch to the protocol the client asked for (for example, WebSocket).

Is HTTP 101 an error?

No. This is a normal response, not an error.

1xx Informational

HTTP 100 ContinueThe server received the request headers and the client should continue sending the request body.HTTP 103 Early HintsThe server sends preliminary headers, such as preload links, before the final response so the browser can start loading resources early.